When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Replaced pads (Tom's) about 200mi ago. I've replaced pads before but first time on F. Uneventful install, lubed shims, bedded then called it a day. Noticed rotor wear much less now (almost half)...what did i do wrong, or break? I'm a novice diy'er so appreciate any feedback.
I can't imagine the rotors wearing after new pads. Unless, of course the pads are unevenly installed. Even then, the pads would wear out unevenly.
Those Tom's pads are strong and durable for long life?? If they are long life, means they are harsh on your rotors and always require temperature to work properly.
I can't imagine the rotors wearing after new pads. Unless, of course the pads are unevenly installed. Even then, the pads would wear out unevenly.
Those Tom's pads are strong and durable for long life?? If they are long life, means they are harsh on your rotors and always require temperature to work properly.
Concerned, I made sure pads were seated flush before torquing bolts down. Thought maybe issue w/pistons but passenger side is the same. These are the Performer pads and do need to be at temp to perform as well as brembos (but have significantly less dust). Wonder if i should reinstall oem pads and see if wear back to normal?
Last edited by Dukeaudio; May 28, 2023 at 10:19 AM.
Bed the pads again. Try 60mph - 5mph, 10 times, and then drive it around for 15-20 minutes cool down.
You need to block the air inlets to the brakes if you want to bed your pads at those low speeds. I just did this a few days ago, and it was difficult to get the rotors over 200F as measured with my IR surface thermometer. These rotors are really big, really heavy, and take a whole lot to get hot. That's why they're OK for a mild track use even with the factory pads. For heavy track use, you want better pads, but you really don't need more rotor or caliper on an F car.
You need to block the air inlets to the brakes if you want to bed your pads at those low speeds. I just did this a few days ago, and it was difficult to get the rotors over 200F as measured with my IR surface thermometer. These rotors are really big, really heavy, and take a whole lot to get hot. That's why they're OK for a mild track use even with the factory pads. For heavy track use, you want better pads, but you really don't need more rotor or caliper on an F car.
Becoming apparent I went nowhere near reqd speeds to properly bed. Will redo. To be clear, when braking during bedding, its HARD braking, as in sudden Stops??
BTW, you won't notice your brakes fading at those speeds if the ducts are open. Not even a small chance with ordinary street pads. You've really got to be aggressive with bedding on these brakes. On my IS F, I hold brake and throttle at ~60 mph for 5 seconds, give a 10 second break, then 5 seconds again. Repeat 10x and you're done. You can't do that with the GS F because they've built a brake and throttle interlock so the brakes always win and the throttle gets cut automatically.
Brake Pad Replacement Question
